Originally posted by the Voice of America. Voice of America content is produced by the Voice of America, a United States federal government-sponsored entity, and is in the public domain. Inside Campus Fortresses, Hong Kong Students Prep for Battle William Gallo HONG KONG - Student protesters are barricading themselves at universities across Hong Kong, stockpiling makeshift weapons and turning campuses into what look like war zones. It marks a dangerous new phase in Hong Kong's 5-month-old anti-government protests. Hong Kong Polytechnic University now looks something more like a fortress. Hundreds of students have hunkered down, laying bricks to obstruct police vehicles they are certain eventually will arrive, and setting up multiple levels of security checkpoints. Inside, students arm themselves with whatever they can, including arrows, bricks and molotov cocktails. Hong Kong has seen 24 weeks of protests, but what is taking place here is new. Students barricading themselves in at universities, preparing for extended confrontations. It's the start of what could be a dangerous new phase of anti-government protests." WATCH: Inside Campus Fortresses, Hong Kong Students Prep for Battle .